QC/T 1056-2017 in English

This document specifies technical requirements and bench test methods for dual-clutch automatic transmissions used in passenger vehicles. It covers aspects such as performance, durability, and reliability under various operating conditions. The scope includes hydraulic drive systems and related components. The document provides detailed procedures for testing and evaluating the overall performance of the transmission assembly. It is intended to be used by manufacturers, testing institutions, and other relevant parties involved in the development and evaluation of dual-clutch automatic transmissions. The content includes definitions, test conditions, and measurement methods to ensure consistency and quality in production. The application of this document helps in establishing uniform standards for the design, production, and testing of dual-clutch automatic transmissions in the automotive industry.